液压泵外文报告加翻译.doc

《液压泵外文报告加翻译.doc》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、ExperimentsforderivedfactorswithapplicationtohydraulicgearpumpsC.J.Sexton,S.M.LewisandC.P.PleaseUniversityofSouthampton,UK[ReceivedJune1999.RevisedOctober2000]Summary.Forexperimentsonmechanicalproductscomposedofseveralcomponents,suchasahydraulicgearpump,convent

2、ionalmethodsofdesigningandimplementingfactorialexperimentscanbeimpracticalbecauseoftheprohibitivecostsofobtainingcertaincomponentswithfactorssettoprespecifiedvalues.Afurtherdifficultyisthatoftensomeofthefactorsthatarebelievedtoinfluencetheproduct'sperformancear

3、enotfeaturesofasinglecomponentbutarederivedasfunctionsofthedimensionsofseveralcomponentsarisingfromtheproduct'sassembly.Experi-mentsareproposedwhichuseasampleofmeasuredcomponentstoexploretheinfluenceofsuchderivedfactors.Analgorithmicmethodforobtainingefficientd

4、esignsispresentedandappliedtofindingplansforstudiesonthegearpump.Anexperimentonthepumpisdescribedwhichinvolvedbothconventionalandderivedfactors.Thisexperimentledtonewknowledgeonhowtoimprovetheengineeringdesignofthepumpand,inparticular,onhowtoimproveitsrobustnes

5、stothevaryingpressuresthatareexperiencedinoperation.Keywords:Algorithm;Components;Factorialexperiment;Mechanicalengineering;Optimaldesign;Qualityimprovement;Robustness1.IntroductionThedesignofaconventionalfactorialexperimentspecifiesthelevelsofeachfactorandhowt

6、heyshouldbecombinedtoformruns.Whentheobjectiveoftheexperimentistoinvestigateandimprovetheperformanceofaproductassembledfromseveralseparatecomponents,e.g.amechanicalorelectricaldevice,twomethodsofobtainingtherequiredcombinationsoffactorlevelstorealizethedesignar

7、ecommonlyused.Oneapproachistomanufactureone-offcomponentstohavethefactorvaluesthatarerequiredfortheexperiment.Alternatively,samplesofthevariouscomponentscanbetakenfromproductionand,throughmeasur-ingthefeaturesofinterest,componentsfoundwiththerequiredproperties.

8、Typically,therequiredfactorlevelsareat,ornear,theextremesofthefactorrangesobtainedinproduction,solargesamplesofcomponentsmustbemeasuredtofindsufficientfortheexperiment.Forso